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SDL2_Playground
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Clear texture after creation, fix blendMode of GuiTexture.

This commit is contained in:
Maschell 2020-08-30 23:23:28 +02:00
parent 65bbe1f82f
commit 16862f2a88
3 changed files with 11 additions and 21 deletions
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5
src/gui/GuiText.cpp
View File

@ -65,11 +65,12 @@ void GuiText::draw(CVideo *pVideo) {
if(temp){
texture = new GuiTexture(temp);
texture->setParent(this);
texture->setBlend(SDL_BLENDMODE_BLEND);
texture->setBlendMode(SDL_BLENDMODE_BLEND);
// Draw the text onto it
SDL_SetRenderTarget(pVideo->getRenderer(), temp);
SDL_SetTextureBlendMode(temp, SDL_BLENDMODE_BLEND);
// make sure the texture is clean.
SDL_RenderClear(pVideo->getRenderer());
FC_DrawColumn(fc_font, pVideo->getRenderer(), 0, 0, maxWidth, text.c_str());
SDL_SetRenderTarget(pVideo->getRenderer(), NULL);

24
src/gui/GuiTexture.cpp
View File

@ -78,26 +78,16 @@ void GuiTexture::draw(CVideo *pVideo) {
rect.w = currScaleX * getWidth();
rect.h = currScaleY * getHeight();
// copy the texture to the rendering context
SDL_BlendMode mode;
SDL_GetRenderDrawBlendMode(pVideo->getRenderer(), &mode);
// adjust blend mode
if(blendMode != mode){
SDL_SetRenderDrawBlendMode(pVideo->getRenderer(), blendMode);
}
if (getAngle() == 0) {
SDL_RenderCopy(pVideo->getRenderer(), texture, NULL, &rect);
SDL_RenderCopy(pVideo->getRenderer(), texture, nullptr, &rect);
} else {
SDL_RenderCopyEx(pVideo->getRenderer(), texture, NULL, &rect, getAngle(), NULL, SDL_FLIP_NONE);
}
// Restore blend mode
if(blendMode != mode) {
SDL_SetRenderDrawBlendMode(pVideo->getRenderer(), mode);
SDL_RenderCopyEx(pVideo->getRenderer(), texture, nullptr, &rect, getAngle(), nullptr, SDL_FLIP_NONE);
}
}
void GuiTexture::setBlend(SDL_BlendMode blendmode) {
this->blendMode = blendMode;
int GuiTexture::setBlendMode(SDL_BlendMode) {
if(texture){
return SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND);
}
return SDL_BLENDMODE_INVALID;
}

3
src/gui/GuiTexture.h
View File

@ -14,10 +14,9 @@ public:
//!Constantly called to draw the image
void draw(CVideo *pVideo) override;
void setBlend(SDL_BlendMode blendMode);
int setBlendMode(SDL_BlendMode blendMode);
protected:
SDL_Surface *imgSurface = nullptr;
SDL_Texture *texture = nullptr;
SDL_BlendMode blendMode = SDL_BLENDMODE_NONE;
};